EP 2491224 B1 20171011 - BOTTOM HOLE ASSEMBLY FOR SUBTERRANEAN OPERATIONS
Title (en)
BOTTOM HOLE ASSEMBLY FOR SUBTERRANEAN OPERATIONS
Title (de)
BODENÖFFNUNGSANORDNUNG FÜR UNTERIRDISCHE VORGÄNGE
Title (fr)
ENSEMBLE FONDS DE PUITS POUR OPÉRATIONS SOUTERRAINES
Publication
Application
Priority
- US 58295209 A 20091021
- GB 2010001951 W 20101020
Abstract (en)
[origin: US2011088915A1] Methods and systems for stimulating a wellbore. A coil tubing bottom hole assembly is disclosed which includes a jetting tool. A non-caged ball sub is coupled to the jetting tool and a ported sub is coupled to the non-caged ball sub. Additionally, a caged ball sub is coupled to the ported sub.
IPC 8 full level
E21B 43/26 (2006.01); E21B 43/267 (2006.01)
CPC (source: EP US)
E21B 43/267 (2013.01 - EP US); E21B 43/27 (2020.05 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 2011088915 A1 20110421; US 8104539 B2 20120131; AR 078686 A1 20111123; AU 2010309579 A1 20120524; AU 2010309579 B2 20131003; CA 2777429 A1 20110428; CA 2777429 C 20140506; EP 2491224 A2 20120829; EP 2491224 B1 20171011; MX 2012004663 A 20120614; MX 342005 B 20160909; WO 2011048375 A2 20110428; WO 2011048375 A3 20110811
DOCDB simple family (application)
US 58295209 A 20091021; AR P100103827 A 20101020; AU 2010309579 A 20101020; CA 2777429 A 20101020; EP 10773948 A 20101020; GB 2010001951 W 20101020; MX 2012004663 A 20101020